Hi fish friends any one uses a canister filter for a saltwater reef tank hearing it spike nitrates is it true or wet dry filter is better filter to use I'm still lost on filters I see videos on YouTube aquarist michael pallettauses the ecosystem you can. Heck it out at www.ecosystemaquarium.com I read about Berlin system from the animal planet saltwater aquarium book can't decide witch system I want I'm not shore about built in overflow box witch is better hob overflow box or built in overflow box predrilled hole for PVC connections any aquarist out there can help decide what the best sump refugium my canister filter is 350 gph 100 gallon capacity from Marineland I'm so lost